diff --git a/components/soc/esp32h2/include/soc/regi2c_saradc.h b/components/soc/esp32h2/include/soc/regi2c_saradc.h
index aaa5fcfa7b..3b2b69cfb5 100644
--- a/components/soc/esp32h2/include/soc/regi2c_saradc.h
+++ b/components/soc/esp32h2/include/soc/regi2c_saradc.h
@@ -40,7 +40,7 @@
 
 #define I2C_SARADC_TSENS_DAC 0x6
 #define I2C_SARADC_TSENS_DAC_MSB 3
-#define I2C_SARADC_TSENS_DAC_LSB 3
+#define I2C_SARADC_TSENS_DAC_LSB 0
 
 #define I2C_SARADC_DTEST        7
 #define I2C_SARADC_DTEST_MSB    1